* UnsupportedOperationException."
   */
  abstract void setCountNoCheckReturnValue(E element, int count);

  private void assertSetCountIncreasingFailure(E element, int count) {
    try {
      setCountNoCheckReturnValue(element, count);
      fail("a call to multiset.setCount() to increase an element's count should throw");
    } catch (UnsupportedOperationException expected) {
    }
  }

   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final int add(E element, int occurrences) {
    throw new UnsupportedOperationException();
  }

  /**

      map.put("b", "2");
      fail();
    } catch (UnsupportedOperationException expected) {
    }

    try {
      map.putAll(ImmutableMap.of("b", "2"));
      fail();
    } catch (UnsupportedOperationException expected) {
    }

    try {
      map.entrySet().iterator().next().setValue("one");
      fail();
    } catch (UnsupportedOperationException expected) {
    }
  }

  public void testReplaceValuesRemoveNotSupported() {
    List<V> values = Collections.singletonList(v3());
    try {
      multimap().replaceValues(k0(), values);
      fail("Expected UnsupportedOperationException");
    } catch (UnsupportedOperationException expected) {
      // success
    }
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  public void testReplaceValuesPutNotSupported() {

  override fun shutdownNow(): List<Runnable> {
    throw UnsupportedOperationException()
  }

  override fun isShutdown(): Boolean {
    return shutdown
  }

  override fun isTerminated(): Boolean {
    throw UnsupportedOperationException()
  }

  override fun awaitTermination(
    timeout: Long,
    unit: TimeUnit,
  ): Boolean {
    throw UnsupportedOperationException()
  }

   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final void add(int index, E element) {
    throw new UnsupportedOperationException();
  }

  /**
   * Guaranteed to throw an exception and leave the list unmodified.
   *
   * @throws UnsupportedOperationException always

  @CollectionSize.Require(absent = ZERO)
  public void testRemove_unsupported() {
    try {
      getMap().remove(k0());
      fail("remove(present) should throw UnsupportedOperationException");
    } catch (UnsupportedOperationException expected) {
    }
    expectUnchanged();
    assertEquals("remove(present) should not remove the element", v0(), get(k0()));
  }

  @MapFeature.Require(absent = SUPPORTS_REMOVE)

    }

    @Override
    public E belowSamplesLesser() {
      throw new UnsupportedOperationException();
    }

    @Override
    public E belowSamplesGreater() {
      throw new UnsupportedOperationException();
    }

    @Override
    public E aboveSamplesLesser() {
      throw new UnsupportedOperationException();
    }

    @Override
    public E aboveSamplesGreater() {

    /**
     * Exceptions should be {@link NullPointerException} or {@link UnsupportedOperationException}.
     */
    NPE_OR_UOE() {
      @Override
      public boolean isExpectedType(Throwable cause) {
        return cause instanceof NullPointerException
            || cause instanceof UnsupportedOperationException;
      }
    },

    /**

    }

    @Override
    public void execute(Runnable runnable) {
      throw new UnsupportedOperationException();
    }

    @Override
    public void shutdown() {
      throw new UnsupportedOperationException();
    }

    @Override
    public List<Runnable> shutdownNow() {
      throw new UnsupportedOperationException();
    }

    @Override
    public boolean isShutdown() {